びっしり
bisshiri

To-Adverb

1. closely (packed, lined up, etc.); tightly; densely

Onomatopoeia
ボイラは あかがびっしりついた。
boirawa yuakaga bisshiri tsuita.
The boiler was heavily scaled.
To-Adverb

2. (work) sufficiently

Onomatopoeia
Other forms: